Finding the Fourth Proportional to 814,059.42, 1,123,439.50 and 451,461.67

Step by Step Solution

1. Step 1: Write the proportion equation
   814,059.42 : 1,123,439.50 = 451,461.67 : x
2. Step 2: Convert to fraction form
   814,059.42/1,123,439.50 = 451,461.67/x
3. Step 3: Cross multiply
   814,059.42x = 1,123,439.50 × 451,461.67
4. Step 4: Simplify right side
   814,059.42x = 507,189,868,030.22
5. Step 5: Solve for x
   x = 507,189,868,030.22/814,059.42
6. Step 6: Final answer
   x = 623,037.90